Updated: May 13, 2026
Location and Projects
Address
1272 LONDON AVE, Manteca, CA, 95336
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Chen Yi-tso Jeff Architect
Chen Yi-tso Jeff, 1272 London Ave, Manteca, CA (Owned by: Chen Yi Tso Jeff) holds a General Building license and 1 other license according to the California license board.
Their BuildZoom score of 103 ranks in the top 10% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Chen Yi-tso Jeff, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Chen Yi-tso Jeff Services
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Chen Yi-tso Jeff Contact Information
Phone Number: (650) 787-6171
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Address: 1272 LONDON AVE, Manteca, CA 95336
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Chen Yi-tso Jeff Manteca
Quality
103
90th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Chen Yi-tso Jeff has a BuildZoom score of 103, which places them above 90% of 336,931 contractors in California.
Activity
|
2 projects
|
2025 |
|
7 projects
|
2023 |
Our building permit records indicate that Chen Yi-tso Jeff has worked on at least
9.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
4 projects
|
New Constructions |
Analyzing permits over the last 4 years shows that Chen Yi-tso Jeff mostly works on
new construction
projects.
Pricing
|
3 projects
|
$5k-$20k |
|
3 projects
|
$20k-$50k |
|
1 project
|
$100k-$250k |
The typical size of their permits is approximately $25,880. This graph shows the distribution of these job values.
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Construction of a new (749 sq ft) accessory dwelling unit with (356 sqft) attached patio
Valuation:
$150,000
Permit #:
B202503627
Status:
plancheck
Fee:
$1,019
Permit Type:
N/A
Building Type:
N/A
Replace 2 windows living room and 2 windows in dining room
Valuation:
$25,880
Permit #:
BR21-135
Status:
final
Fee:
$1,174
Permit Type:
Construction only
Building Type:
N/A
Replace 8 windows 2 sliding glass doors
Valuation:
$48,470
Permit #:
BR21-137
Status:
final
Fee:
$1,859
Permit Type:
Construction only
Building Type:
N/A
Remove and replace 2 windows in master bedroom
Valuation:
$15,183
Permit #:
BR21-138
Status:
final
Fee:
$881
Permit Type:
Construction only
Building Type:
N/A
Addition 1 new window in kitchen
Valuation:
$30,687
Permit #:
BR21-134
Status:
issued
Fee:
$1,439
Permit Type:
Construction only
Building Type:
N/A
Replace 2 windows and 1 door
Valuation:
$18,583
Permit #:
BR21-136
Status:
final
Fee:
$873
Permit Type:
Construction only
Building Type:
N/A
2 sliding doors and 4 windows
Valuation:
$58,458
Permit #:
BR20-237
Status:
final
Fee:
$3,997
Permit Type:
Construction only
Building Type:
N/A
Remove and replace windows in m bedroom
Valuation:
$7,498
Permit #:
BR20-236
Status:
final
Fee:
$898
Permit Type:
Construction only
Building Type:
N/A
Remove and replace slider and entry door
Valuation:
$8,713
Permit #:
BR20-235
Status:
issued
Fee:
$1,247
Permit Type:
Construction only
Building Type:
N/A
Remove and replace slider and windows
Valuation:
$15,695
Permit #:
BR20-234
Status:
final
Fee:
$1,450
Permit Type:
Construction only
Building Type:
N/A
R + r window
Valuation:
$15,182
Permit #:
BR21-228
Status:
final
Fee:
$717
Permit Type:
Construction only
Building Type:
N/A
Remove and replace slider
Valuation:
$6,667
Permit #:
BR20-233
Status:
issued
Fee:
$832
Permit Type:
Construction only
Building Type:
N/A
Balcony guardrail and walkway repairs. per engineering design
Valuation:
$15,000
Permit #:
22016-30000-10480
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Tenant improvement - interior entry ramp rework electrical. room for additional meter socket up-grade restroom with accessibility features up-grade restroom with water saving fixtures new 2nd floor restroom - 300 sq ft (bldg electrical plumbing mech) ** 5/10/16 revision eliminate the electrical work in the electrical room
Valuation:
$28,000
Permit #:
CB16-0038
Status:
final
Fee:
$1,613
Permit Type:
N/A
Building Type:
N/A
Pge rplc pole oh fuse & wire; instl anchor
Valuation:
N/A
Permit #:
25-2076
Status:
issued
Fee:
$1,530
Permit Type:
Utility
Building Type:
N/A
Building - remodel - kitchen - r/r cabinets countertops appliances in same locations. baths - r/r tub/shower & surround toilets& re-tile floor in same locations. addition 35 recessed led fixtures. per stop work notice s.i. fees apply (rgs)
Valuation:
N/A
Permit #:
BLD2014-00958
Status:
final
Fee:
$708
Permit Type:
N/A
Building Type:
N/A
Kearny mesa: building electrical mechanical and plumbingpermit for a interior remodel for a new ice shaving resturant. work to include demolish and relocate restroom. new kitchen with new plumbing. new partion walls. new seating area. change lighting fixtures. zone cc-1-3. aia faa part 77 notification areageo haz 52. cnel. esl./change in use
Valuation:
N/A
Permit #:
1313099
Status:
complete
Fee:
$1,899
Permit Type:
Add/alt tenant im...
Building Type:
N/A
Kearny mesa: building electrical mechanical and plumbingpermit for a interior remodel for a new ice shaving resturant. work to include demolish and relocate restroom. new kitchen with new plumbing. new partion walls. new seating area. change lighting fixtures. zone cc-1-3. aia faa part 77 notification areageo haz 52. cnel. esl./change in use
Valuation:
N/A
Permit #:
1313103
Status:
complete
Fee:
$1,899
Permit Type:
Add/alt tenant im...
Building Type:
N/A
Kearny mesa: building electrical mechanical and plumbingpermit for a interior remodel for a new ice shaving resturant. work to include demolish and relocate restroom. new kitchen with new plumbing. new partion walls. new seating area. change lighting fixtures. zone cc-1-3. aia faa part 77 notification areageo haz 52. cnel. esl./change in use
Valuation:
N/A
Permit #:
1313102
Status:
complete
Fee:
$1,899
Permit Type:
Add/alt tenant im...
Building Type:
N/A
Permits for the interior remodel of a office space with bathroom. scope of work to include new interior partitions, new bathroom with fixtures and finishes.
Valuation:
$86,240
Permit #:
1077761
Status:
Completed
Fee:
N/A
Permit Type:
N/A
Building Type:
Add/Alt Tenant Im...
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Chen Yi-tso Jeff License info
Verified License
| License # | 1146128 |
| Status | Active |
| State | California |
| Type | General Building |
| Date Issued | 11-10-2025 |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Chen Yi-tso Jeff at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | C17977 |
| Status | Active |
| State | California |
| Type | Architect |
- When BuildZoom last verified this license, it had an expiration date of September, 2025. Check the current license status of Chen Yi-tso Jeff with the California Architect License Board
This is a sample of licensing data; click here to access a complete history.
103
BuildZoom Score
Bonded
| Bonded Agent | Jet Insurance Company |
| Bond Value | $25,000 |
28
Permits
- Building permit records show that Chen Yi-tso Jeff has worked on 28 permitted projects.
Chen Yi-tso Jeff Employees
CJ
Chen Yi Tso Jeff
Owner
YC
Yi Chen
Sole Owner